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Actuated Clutch Pawl Backstop Mechanism

Publishing Venue

IBM

Related People

Reidenbach, JR: AUTHOR

Abstract

The mechanism includes backstop 10 which is effective on rotatable pawl 11 and which is actuated by frontstop 12 for such pawl so that backstop 10 is out of the path of movement of pawl 11 under pawl-disengaging conditions to reduce wear on backstop 10. Pawl 11 is rotatable with shaft 13. Both backstop 10 and frontstop 12 are movable into the path 11 and which is actuated by frontstop 12 for such pawl so that backstop 10 is out of the path of movement of pawl 11 under pawl-disengaging conditions to reduce wear on backstop 10. Pawl 11 is rotatable with shaft 13. Both backstop 10 and frontstop 12 are movable into the path of movement of pawl 11 so that, when pawl 11 is positioned between stops 10 and 12, it is held against movement in either direction. Return spring 14 holds frontstop 12 out of pawl-engaging position.

Country

United States

Language

English (United States)

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Actuated Clutch Pawl Backstop Mechanism

The mechanism includes backstop 10 which is effective on rotatable pawl 11
and which is actuated by frontstop 12 for such pawl so that backstop 10 is out of
the path of movement of pawl 11 under pawl-disengaging conditions to reduce
wear on backstop 10. Pawl 11 is rotatable with shaft 13. Both backstop 10 and
frontstop 12 are movable into the path 11 and which is actuated by frontstop 12
for such pawl so that backstop 10 is out of the path of movement of pawl 11
under pawl-disengaging conditions to reduce wear on backstop 10. Pawl 11 is
rotatable with shaft 13. Both backstop 10 and frontstop 12 are movable into the
path of movement of pawl 11 so that, when pawl 11 is positioned between stops
10 and 12, it is held against movement in either direction. Return spring 14 holds
frontstop 12 out of pawl-engaging position. Magnet 15 is effective on frontstop
12 to counteract spring 14. Backstop 10 is rotatably mounted on shaft 16 and is
normally held out of the path of movement of pawl 11 by torsional washer 17.
Leaf spring 18 is fixed on frontstop 12 and overlies backstop 10. When magnet
15 is energized, frontstop 12 is moved into the path of movement of pawl 11.
Leaf spring 18 tends to move backstop 10 into the path of movement. Pawl 11
moves stop 10 against spring 18 so as to move into abutting relationship with
frontstop 12 and then backstop 10 moves back of pawl 11.